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Like the moon . The Apollo astronauts would have moved from searing hot temperatures in full sun to bitingly cold when in the shadow of a large rock. It would be the same on Earth probably +250C to - 250C in one step

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14y ago
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6mo ago

Without an atmosphere to trap heat, the temperature on Earth would fluctuate wildly between extreme heat and cold. During the day, temperatures could soar well above 100°C (212°F) while at night, temperatures would plummet to well below freezing. This would make it impossible for life as we know it to survive.

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12y ago

Over 300 degrees.

The atmosphere protects us from the sun's more violent and bright rays, and without that protection, the earth would be pretty hot.

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Q: If earth had no atmosphere what would the temperature be?
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